these 2 derivations will be built:
  /nix/store/6s4lyh8pn2d5im92lvi0aq7f7k88j25p-amp-linux-x64.drv
  /nix/store/9jlamrv02dinc901d3qr0wn05mn43pdl-amp-0.0.1789764455-g07cced.drv